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6/7 Exam

Total questions: 113

Worksheet time: 2hrs 1mins

Name
Class
Date
1.
the top of the wave is called _
a)
crest
b)
compression
c)
Trough
d)
wavelength
e)
frequency
2.
the bottom of the wave is called _
a)
Trough
b)
compression
c)
crest
d)
wavelength
e)
frequency
3.
from crest to crest is called _
a)
wavelength
b)
compression
c)
crest
d)
Trough
e)
frequency
4.
How many crest pass a certain point at a given time
a)
frequency
b)
compression
c)
crest
d)
Trough
e)
wavelength
5.
from the mid-line of the crest to the top of the crest is called _
a)
amplitude
b)
compression
c)
crest
d)
Trough
e)
wavelength
6.
where the waves are close together
a)
compression
b)
crest
c)
Trough
d)
wavelength
e)
frequency
7.
where the waves are further apart
a)
rarefraction
b)
compression
c)
crest
d)
Trough
e)
wavelength
8.
What is the first color in the visible light spectrum
a)
red
b)
blue
c)
green
d)
indigo
e)
orange
9.
What is the second color in the visible light spectrum
a)
orange
b)
blue
c)
green
d)
indigo
e)
red
10.
What is the third color in the visible light spectrum
a)
yellow
b)
blue
c)
green
d)
indigo
e)
orange
11.
What is the fourth color in the visible light spectrum
a)
green
b)
blue
c)
indigo
d)
orange
e)
red
12.
What is the fifth color in the visible light spectrum
a)
blue
b)
green
c)
indigo
d)
orange
e)
red
13.
What is the sixth color in the visible light spectrum
a)
indigo
b)
blue
c)
green
d)
orange
e)
red
14.
What is the last color in the visible light spectrum
a)
violet
b)
blue
c)
green
d)
indigo
e)
orange
15.
Which waves of the rainbow has the longest wavelength
a)
red
b)
blue
c)
green
d)
indigo
e)
orange
16.
Which waves of the rainbow has the shortest wavelength
a)
violet
b)
blue
c)
green
d)
indigo
e)
orange
17.
objects absorbing all of the light so no light is reflected
a)
Visible light
b)
white light
c)
black
18.
the object reflects all light
a)
Visible light
b)
white light
c)
black
19.
the only electromagnetic wave that we can see, comes from the sun
a)
Visible light
b)
white light
c)
black
20.

Another way of saying amplitude is (a)  

21.
measure of sound; cycle per sound
a)
hertz
b)
dopplar effect
c)
decibel
22.
change in sound as you move
a)
hertz
b)
dopplar effect
c)
decibel
23.
measure of volume
a)
hertz
b)
dopplar effect
c)
decibel
24.

wavelength in a compressional wave

(a)  

25.
Which wave has the largest wavelength?
a)
A
b)
B
c)
C
d)
None (same wavelength)
26.
Which wave has the largest frequency?
a)
A
b)
B
c)
C
d)
None (same frequency)
27.

how fast do electromagnetic waves travel through the vacuum of space?

a)

they don't

b)

250,000,000 m/s

c)

the speed of light

d)

100mph

28.

what affects the speed of a wave?

a)

the medium it travels through

b)

amplitude

c)

plasma

29.

Electromagnetic radiation that can be seen with the unaided eye.

a)

visible light

b)

ultraviolet light

c)

gamma rays

d)

UV light

30.

A wave that moves the medium at right angles to the direction in which the wave travels.

a)

compression wave

b)

transverse wave

c)

sound wave

d)

longitudinal wave

31.
The distance between the line of origin to the top of the wave is called
a)
amplitude
b)
wavelength
c)
frequency
d)
speed
32.
Which travels faster: sound or light?
a)
light
b)
sound
33.
What is refraction?
a)
The bending of light as it passes through one material to another
b)
On the Electromagnetic spectrum, these have the shortest wavelengths and highest frequency
c)
Type of wave in which sound travels
d)
Highest point on a wave
34.

When the car moves AWAY from you, its horn seems...

a)

Low pitched

b)

High pitched

c)

Normal

35.

When an ambulance move TOWARD you it sounds ________ pitched. 

a)

high

b)

low

c)

medium

36.

The Doppler effect is seen when a wave-making source moves toward an observer. 

a)

True

b)

False

37.

The measurement of how much mass fits within a certain volume is called ____________________.

a)

density

b)

volume

c)

mass

d)

weight

38.

Density describes how tightly the ________________ that make up a substance are packed together.

a)

particles

b)

molecules

c)

atoms

d)

cells

39.

Objects float if they are _________ dense than the substance in which they are placed. They __________ if they are denser than the substance in which they are placed.

a)

less

b)

sink

c)

more

d)

float

e)

equal

40.

Steel is denser than water. However, steel ships can float on water because their hulls are filled with ______________.

a)

air

b)

water

c)

sand

d)

metal

41.

An object’s density is found by dividing its ________ by its ____________.

a)

mass and volume

b)

weight and height

c)

length and width

d)

temperature and pressure

42.

The density of a material depends on the __________ of the particles that make up the material and the ____________ between the particles.

a)

mass

b)

space

c)

color

d)

temperature

43.

The particles of a solid tend to be packed __________ together. The particles of a(n) ___________ tend to be spread out.

a)

tightly

b)

loosely

c)

randomly

d)

gas

44.

Usually, matter in the ____________ state is denser than in the liquid state. Matter in the liquid state tends to be denser than in the gaseous state.

a)

solid

b)

gaseous

c)

plasma

d)

liquid

45.

The density of a substance is the __________ no matter how much of the substance is present.

a)

same

b)

different

c)

variable

d)

changing

46.

Density can help ______________ an unknown.

a)

identify

b)

measure

c)

destroy

d)

ignore

47.

Gold has a density of 8.92 g/cm3. If an unknown substance has a density of 8.92 g/cm3, it would most likely be ____________.

a)

gold

b)

silver

c)

copper

d)

iron

48.

Materials that can flow, such as liquids and gases, are called _______________.

a)

fluids

b)

solids

c)

crystals

d)

metals

49.

Objects can float because of _______________.

a)

buoyancy

b)

gravity

c)

friction

d)

inertia

50.

Buoyancy occurs because the fluid that is being _______________ out of the way pushes back on the object.

a)

displaced

b)

absorbed

c)

evaporated

d)

condensed

51.

According to _______________ principle, the amount of buoyant force acting on an object is equal to the weight of the fluid it displaces.

a)

Archimedes'

b)

Newton's

c)

Pascal's

d)

Bernoulli's

52.

If the buoyant force is greater than the object’s weight, the object will _______________.

a)

float

b)

sink

c)

remain suspended

d)

move sideways

53.

Density is a physical property of an object because it is:

a)

a measure of mass per unit volume

b)

dependent on the object's shape

c)

a chemical property

d)

variable with temperature

54.

The __________ of an object is found by dividing its mass by its volume.

a)

density

b)

weight

c)

height

d)

temperature

55.

When an object is placed in a fluid, the fluid __________ on the object.

a)

pushes

b)

pulls

c)

ignores

d)

absorbs

56.

This push is called the __________.

a)

Buoyant force

b)

Gravitational force

c)

Frictional force

d)

Magnetic force

57.

If a fluid is denser than the object, the object will __________.

a)

float

b)

sink

c)

remain suspended

d)

dissolve

58.

If the object is denser than the fluid, the object will __________.

a)

sink

b)

float

c)

remain suspended

d)

dissolve

59.

The density of an object depends on the mass of the __________ that make up the object and the __________ between them.

a)

particles

b)

distances

c)

colors

d)

shapes

e)

textures

60.

In general, a(n) __________ is the densest state of matter.

a)

solid

b)

liquid

c)

gas

d)

plasma

61.

However, solid water is __________ dense than liquid water.

a)

less

b)

more

c)

equally

d)

not

62.
Change from gas to liquid...
a)
condensation
b)
evaporation
c)
expansion
d)
movement
63.

The state of matter where both volume and shape can change is ______?

a)

solid

b)

liquid

c)

gas

d)

can't tell

64.
Why do ice cubes float in a  glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
65.
Density is defined as...
a)
Centimeters cubed per mass of substance
b)
Mass per unit volume of a substance
c)
Flow rate of a substance
66.

In which state of matter are the particles farthest away from each other

a)

solid

b)

liquid

c)

gas

d)

Can't tell

67.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
68.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
69.
____ is matter that has a definite shape and takes up a definite amount of space.
a)
Solid
b)
Liquid
c)
Gas
70.
In which state of matter are particles moving the slowest?
a)
solid
b)
liquid
c)
gas
d)
gummy bears
71.

How is density measured?

a)

In liters per gram

b)

In meters per second

c)

In grams per cubic centimeter

d)

In kilograms per meter

72.

What does density describe?

a)

The color of a substance

b)

The temperature of a substance

c)

How tightly packed the particles that make up matter are

d)

The speed of particles in a substance

73.

Density is a measurement of how much mass fits within a certain what?

a)

Area

b)

Volume

c)

Length

d)

Height

74.

What is the volume of a liquid if its mass is 80.3 g and its density is 1.1 g/mL?

a)

73 mL

b)

80 mL

c)

70 mL

d)

75 mL

75.

What is the density of a liquid if its mass is 50 g and its volume is 25 mL?

a)

2 g/mL

b)

1 g/mL

c)

0.5 g/mL

d)

4 g/mL

76.

Which box would have more mass?

a)

The box filled with steel

b)

The box filled with feathers

c)

Both boxes have the same mass

d)

Neither box has mass

77.

What does density depend on?

a)

Mass of the particles

b)

Color of the object

c)

Temperature of the environment

d)

Shape of the object

78.

What is a common property of liquids and gases?

a)

Both have tightly packed particles

b)

Both can change shape

c)

Both are stationary

d)

Both have a fixed shape

79.

What is the behavior of particles in a gas?

a)

Tightly packed

b)

Move freely and fill the container

c)

Stationary

d)

Fixed in place

80.

Which of the following is NOT associated with Archimedes?

a)

Deep thinker

b)

Discovered displacement

c)

Invented the wheel

d)

Greek philosopher

81.

Which state of matter is the most common in the universe?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

82.

Can solids take the shape of their container?

a)

Yes, always

b)

No, they cannot

c)

Only when heated

d)

Only under pressure

83.

How are the particles in liquids compared to solids?

a)

More closely packed than solids.

b)

Less closely packed than solids.

c)

The same as in solids.

d)

Not packed at all.

84.

Which state of matter is not involved in sublimation?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

85.

Which state of matter has both definite shape and definite volume?

a)

Gas

b)

Liquid

c)

Solid

86.

Which state of matter has no definite shape and no definite volume?

a)

Gas

b)

Liquid

c)

Solid

87.

Which state of matter has no definite shape but does have definite volume?

a)

Gas

b)

Solid

c)

Liquid

88.

A gas has _______________ . (Pick 3)

a)

A lot of space between particles

b)

Very little space between particles

c)

Particles with no definite pattern.

d)

Particles that hold a very definite pattern.

e)

Particle that bounce all over the place.

89.

A solid has _______________ . (Pick 3)

a)

A lot of space between particles

b)

Very little space between particles

c)

Particles with no definite pattern.

d)

Particles that hold a very definite pattern.

e)

Particles that only vibrate in place.

90.

A liquid has _______________ . (Pick 3)

a)

A lot of space between particles.

b)

Very little space between particles.

c)

Particles that have have no definite pattern.

d)

Particles hold that a very definite pattern.

e)

Particles that freely flow past each other.

91.

This is a picture of blowing wind. Which state of matter is wind?

a)

solid

b)

liquid

c)

gas

92.

Which state of matter is in this picture?

a)

Solid

b)

Liquid

c)

Gas

93.

Which state of matter is this boulder?

a)

Solid

b)

Liquid

c)

Gas

94.

A ___________ is a push or pull.

a)

force

b)

attraction

c)

repulsion

95.

A _________ is a force that moves an object away from you.

a)

force

b)

pull

c)

push

96.

A pull is a force that moves an object ____________ you.

a)

toward

b)

away

c)

behind

97.

What forces result when two objects physically touch each other?

a)

noncontact

b)

contact

c)

balanced

98.

What forces result when two objects do not physically touch each other?

a)

noncontact

b)

contact

c)

balanced

99.

What type of force is this woman exerting on the stroller?

a)

friction

b)

applied

c)

magnetic

100.

Is magnetic force contact or non-contact force?

a)

contact

b)

noncontact

c)

balanced

101.

Which force is represented in the picture?

a)

applied

b)

electric

c)

gravity

102.

What force acts in the opposite direction of the baseball's motion, to slow it down?

a)

friction

b)

electric

c)

normal

103.

What force is represented in the picture?

a)

magnetic

b)

friction

c)

electric

104.

What force is acting from the surface of the desk onto the laptop resting on the surface?

a)

magnetic

b)

electric

c)

normal

105.

Which forces are non-contact forces?

a)

applied, normal, friction

b)

gravity, magnetic, electric

c)

gravity, friction, magnetic

106.

Which forces are contact forces?

a)

applied, friction, normal

b)

gravity, magnetic, electric

c)

applied, electric, normal

107.

A smoother surface has less friction.

a)

True

b)

False

108.

What can we add to a surface to make it smoother and reduce friction?

a)

heat

b)

liquid or lubricant

c)

sand

109.

When balanced forces act on an object, the object's motion will change.

a)

True

b)

False

110.

An object moves when unbalanced forces act on the object.

a)

True

b)

False

111.

The sum of all forces acting on an object.

a)

net force

b)

applied

c)

contact

112.

Calculate the net force on the object.

a)

70 N

b)

10 N

c)

0 N

113.

Which direction will the object move?

a)

right

b)

left

c)

stationary

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